Multiple choice

Among the following ----------------- is used as a corrosion resistant agent.

  1. Zinc chloride

  2. Zinc chromate

  3. Zinc cyanide

  4. Zinc dialkyldithiophosphates
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Zinc chromate, ZnCrO4, is a chemical compound containing the chromate anion, appearing as odourless yellow solid powder. It is used industrially in chromate conversion coatings. Exposure to zinc chromate can cause tissue ulceration and cancer. Its use as a corrosion resistant agent was applied to aluminium alloy parts first in commercial aircraft, and then in military ones.

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